xref: /freebsd/lib/libgssapi/gss_utils.c (revision 781d8f4e7638e77445043bc007d455eb8c23676c)
1  /*-
2   * Copyright (c) 2005 Doug Rabson
3   * All rights reserved.
4   *
5   * Redistribution and use in source and binary forms, with or without
6   * modification, are permitted provided that the following conditions
7   * are met:
8   * 1. Redistributions of source code must retain the above copyright
9   *    notice, this list of conditions and the following disclaimer.
10   * 2. Redistributions in binary form must reproduce the above copyright
11   *    notice, this list of conditions and the following disclaimer in the
12   *    documentation and/or other materials provided with the distribution.
13   *
14   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17   * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24   * SUCH DAMAGE.
25   *
26   *	$FreeBSD$
27   */
28  
29  #include <gssapi/gssapi.h>
30  #include <stdlib.h>
31  #include <string.h>
32  #include <errno.h>
33  
34  #include "utils.h"
35  
36  int
37  _gss_oid_equal(const gss_OID oid1, const gss_OID oid2)
38  {
39  	if (oid1->length != oid2->length)
40  		return (0);
41  	if (memcmp(oid1->elements, oid2->elements, oid1->length))
42  		return (0);
43  	return (1);
44  }
45  
46  OM_uint32
47  _gss_copy_oid(OM_uint32 *minor_status,
48      const gss_OID from_oid, gss_OID to_oid)
49  {
50  	size_t len = from_oid->length;
51  
52  	*minor_status = 0;
53  	to_oid->elements = malloc(len);
54  	if (!to_oid->elements) {
55  		*minor_status = ENOMEM;
56  		return GSS_S_FAILURE;
57  	}
58  	to_oid->length = len;
59  	memcpy(to_oid->elements, from_oid->elements, len);
60  	return (GSS_S_COMPLETE);
61  }
62  
63  
64  OM_uint32
65  _gss_copy_buffer(OM_uint32 *minor_status,
66      const gss_buffer_t from_buf, gss_buffer_t to_buf)
67  {
68  	size_t len = from_buf->length;
69  
70  	*minor_status = 0;
71  	to_buf->value = malloc(len);
72  	if (!to_buf->value) {
73  		*minor_status = ENOMEM;
74  		return GSS_S_FAILURE;
75  	}
76  	to_buf->length = len;
77  	memcpy(to_buf->value, from_buf->value, len);
78  	return (GSS_S_COMPLETE);
79  }
80  
81